Disk I/O performance is a core aspect of optimizing Linux system performance, especially in high-load scenarios such as database servers, virtualization environments, or big data processing platforms. Disk I/O bottlenecks can lead to slow system responses or even service interruptions. Monitoring and debugging disk I/O performance not only helps administrators quickly locate issues but also … Read more
Introduction: The Complex Nature of Packet Loss Issues Network packet loss on Linux servers is one of the tricky problems that operations engineers often encounter. It may manifest as slow application responses, intermittent service interruptions, or degraded user experiences. Unlike systems like Windows, Linux, with its robust network stack and rich diagnostic tools, can achieve … Read more
Image source: Internet In Linux systems, there are many performance monitoring tools. Below, I will introduce several commonly used command-line tools. 1. top/htop top: Function: Real-time monitoring of processes, displaying information about CPU, memory, load, swap space, etc. Common Shortcuts: Shortcut Description M Sort by memory usage P Sort by CPU usage k Kill a … Read more
What aspects should be considered for server security defense? How to open server ports? The five key steps involved in opening server ports How to format and mount a data disk on a Linux server A historic moment! Intel and AMD announce collaboration: jointly defending the x86 ecosystem Detailed explanation of Xeon CPUs – rankings … Read more
Image source: Internet In Linux systems, there are many performance monitoring tools. Below, I will introduce several commonly used command-line tools. 1. top/htop top: Function: Real-time monitoring of processes, displaying information about CPU, memory, load, swap space, etc. Common Shortcuts: Shortcut Description M Sort by memory usage P Sort by CPU usage k Kill a … Read more
Introduction Mastering system monitoring commands is a fundamental skill for Linux operation and maintenance. This note aims to organize and summarize commonly used monitoring commands along with their core functions and practical scenarios, facilitating quick review and learning to enhance system management and troubleshooting efficiency. 1. Comprehensive Performance Monitoring (CPU, Memory, Load) 1.<span>top</span> •Core Function: … Read more
The Cortex-X925 core is a high-performance and low-power product that implements the Armv9.2-A architecture. The Armv9.2-A architecture extends the Armv8-A architecture and fully supports the Armv8.7-A version.The Cortex-X925 core is implemented within the DSU-120 DynamIQ cluster. It connects to the DynamIQ DSU120, which serves as a complete interconnect system with L3 cache and snoop control … Read more
In distributed system development, recurring cross-cutting concerns (such as logging, monitoring, security, etc.) often become a major source of code redundancy. This article shares five core techniques for using Spring AOP in a Spring Boot distributed architecture, based on real project experience, to help you improve code quality and development efficiency. 1. Distributed Log Tracking: … Read more
1. Simplified Explanation of Core Principles The essence of a decorator is to “add extra functionality to a function without modifying its original code”. It can be understood as giving a function an “outer garment”: Original Function: like a person (core functionality) Decorator: like an outer garment (new features, such as warmth, waterproofing) After using … Read more
HttpReports is an APM monitoring system developed based on .NET Core, using the MIT open-source license. Its main features include statistics, analysis, visualization, monitoring, and tracing, making it suitable for use in microservice environments. Official website: https://www.yuque.com/httpreports/docs/uyaiil Main Features API Call Metrics Analysis Multi-Service Node Data Aggregation Analysis Slow Request and Error Request Analysis API … Read more